package com.atguigu.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class FlowLimitController {

    @GetMapping("/testA")
    public String testA() {
        return "------testA";
    }

    @GetMapping("/testB")
    public String testB() {
        log.info(Thread.currentThread().getName() + "\t" + "...testB");
        return "------testB";
    }

    @GetMapping("/testD")
    public String testD() {
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("testD 测试RT");
        return null;
    }

    @GetMapping("/testHot")
    @SentinelResource(value = "/testHot", blockHandler = "deal_testHot")
    public String testHot(@RequestParam(value = "p1", required = false) String p1,
                          @RequestParam(value = "p2", required = false) String p2) {
        log.info("hot!");
        return "====HotHotHot!!!";
    }


    //服务降级后的兜底方法
    @GetMapping("/deal_testHot")
    public String deal_testHot(String p1, String p2, BlockException e){
        return "---- SSSSSorry!!!";//sentinel系统默认的提示：Blocked by Sentinel (flow limiting)
    }
}
